Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1377937186

Certificate GIA 1377937186

Diamond specifications and retailer prices

From $3,811 CAD
$2,728 USD
As of October 28, 2026
Save $1,670 CAD (30%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,481 CAD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1377937186. Listed at 16 retailers as of October 28, 2026, with prices from $3,811 to $5,481, a $1,670 spread on the same certified stone. Yorxs lists it at $5,481. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1377937186
Dimensions5.94 × 5.75 × 3.64 mm
L/W Ratio1.03
Culet sizeNone
Top View
5.94 mm5.75 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1377937186
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,900 CAD|Low: $3,762 CAD|High: $6,341 CAD|Avg: $4,632 CAD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
October 31, 2026
Retailer 6$3,762 CAD
Retailer 5$3,811 CAD
Retailer 3$3,897 CAD
Retailer 2$4,236 CAD
Retailer 7$4,297 CAD
Retailer 4$4,585 CAD
Retailer 1$4,900 CAD
Retailer 9$5,001 CAD
Yorxs$5,481 CAD
Retailer 8$6,341 CAD

42 data points across 10 retailers

16 retailers$3,811 CAD to $5,481 CAD

B+
Cheapest Retailer
-
$3,811 CAD
$2,728 USD
B+
Retailer 2
-
$3,897 CAD
$2,790 USD
View
B+
Retailer 3
-
$3,976 CAD
$2,846 USD
View
B+
Retailer 4
-
$4,072 CAD
$2,915 USD
View
B+
Retailer 5
-
$4,236 CAD
SGD 4,098 SGD
View
B+
Retailer 6
-
$4,270 CAD
$3,057 USD
View
B
Retailer 7
-
$4,297 CAD
$3,076 USD
View
B+
Retailer 8
-
$4,585 CAD
$3,282 USD
View
B+
Retailer 9
-
$4,624 CAD
View
B
Retailer 10
-
$4,833 CAD
$3,460 USD
View
B
Retailer 11
-
$4,833 CAD
$3,460 USD
View
B
Retailer 12
-
$4,900 CAD
£2,762 GBP
View
B
Retailer 13
-
$4,916 CAD
$3,519 USD
View
B
Retailer 14
-
$5,001 CAD
$3,580 USD
View
B
Retailer 15
-
$5,448 CAD
$3,900 USD
View
Most Expensive
B
Yorxs
518485380 · Oct 31
$5,481 CAD
€3,737 EUR
View
15 more retailers have this diamond
Prices start from $3,811 CADSave up to $1,670 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.02ct Cushion
$3,811 CAD